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Temperature monitoring with Behmor?
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BarryR
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Joined: 21 Nov 2010
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Location: Wilbraham
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Drip: Behmor Brazen, Clever...
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Posted Fri Dec 27, 2013, 6:11pm
Subject: Temperature monitoring with Behmor?
 

I just ordered a 2 channel digital thermometer from Amazon  for about $20 and some thermal tape from ebay ($6).
Does anyone have any experience monitoring temps in a Behmor?

I figured I'd play around and see if any useful information can be obtained (like when to end the roast or when to open the door to slow down the roast).
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JKalpin
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JKalpin
Joined: 28 Dec 2008
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Location: Thornhill, Ontario Canada
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Espresso: Aerobie Aeropress
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Drip: Krups Moka Brew, BraZen
Roaster: Freshroast+8, Behmor 1600
Posted Sun Dec 29, 2013, 10:03am
Subject: Re: Temperature monitoring with Behmor?
 

Barry, if you find a way to get a sensor into the Behmor, esp. the drum, I hope you will post photos.

 
Jerry
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Burner0000
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Roaster: Behmor 1600 / Sonofresco
Posted Sun Dec 29, 2013, 10:21am
Subject: Re: Temperature monitoring with Behmor?
 

I only found a probe useful when warming up the Behmor.  I could consistently warm up to 300'F before roasting but quickly I learned that firing it up on P1 for exactly 2 min did this.
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kboom1
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kboom1
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Posted Sun Dec 29, 2013, 12:31pm
Subject: Re: Temperature monitoring with Behmor?
 

the only way this would be useful is if you could get a probe in to the bean mass. people have attempted this in the past but I dont think they were sucessful. Do a search on past post.
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BarryR
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Joined: 21 Nov 2010
Posts: 264
Location: Wilbraham
Expertise: I love coffee

Espresso: CC1
Grinder: Baratza Preciso
Drip: Behmor Brazen, Clever...
Roaster: Hottop KN-8828B2-K
Posted Sun Dec 29, 2013, 9:02pm
Subject: Re: Temperature monitoring with Behmor?
 

JKalpin Said:

Barry, if you find a way to get a sensor into the Behmor, esp. the drum, I hope you will post photos.

Posted December 29, 2013 link

I'm not going to try to get it into the drum. I was just going to try to find a useful spot in the roaster. I guess it might a useless endeavor.
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JojoS
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Joined: 30 Dec 2013
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Location: Hong Kong
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Posted Mon Dec 30, 2013, 6:38am
Subject: Re: Temperature monitoring with Behmor?
 

I have a Behmor and during the roasting process I can press P1 to get the temperature reading of the roasting chamber and press P2 to get the temperature of the exhaust chamber. P2 will register a reading only when the afterburner kicks in. All temperature readings are in Celsius. Values start at 54. I believe the P2 readings approximate the bean mass temperature or very close to it when the roasted coffee is in it's exothermic phase as it approaches 1st crack. I typically read 185 to 190 by pressing P2 when 1st crack is starting. If this works for you as well, there is no need for additional temperature probes.
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Bohun
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Posted Mon Dec 30, 2013, 10:42pm
Subject: Re: Temperature monitoring with Behmor?
 

It is -12C here at the moment and cold Behmor reads 54 (P1) while P2 correctly shows 0.  I will have to try it tomorrow during the roasting.  Thanks for sharing.
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ilcaffedio
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Posted Mon Dec 30, 2013, 10:53pm
Subject: Re: Temperature monitoring with Behmor?
 

JojoS Said:

I have a Behmor and during the roasting process I can press P1 to get the temperature reading of the roasting chamber and press P2 to get the temperature of the exhaust chamber. P2 will register a reading only when the afterburner kicks in. All temperature readings are in Celsius. Values start at 54. I believe the P2 readings approximate the bean mass temperature or very close to it when the roasted coffee is in it's exothermic phase as it approaches 1st crack. I typically read 185 to 190 by pressing P2 when 1st crack is starting. If this works for you as well, there is no need for additional temperature probes.

Posted December 30, 2013 link

Exellent tip!  I knew about the P1, and P2 readings, but wasn't sure what they correlate to.  This helps a ton!
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Bohun
Senior Member


Joined: 30 Dec 2013
Posts: 11
Location: Canada
Expertise: I love coffee

Espresso: La Vibiemme Domobar Super
Grinder: La cimbali junior
Roaster: Boehmer 1600
Posted Tue Dec 31, 2013, 10:10am
Subject: Re: Temperature monitoring with Behmor?
 

It works like a charm.
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BarryR
Senior Member


Joined: 21 Nov 2010
Posts: 264
Location: Wilbraham
Expertise: I love coffee

Espresso: CC1
Grinder: Baratza Preciso
Drip: Behmor Brazen, Clever...
Roaster: Hottop KN-8828B2-K
Posted Wed Jan 1, 2014, 10:37am
Subject: Re: Temperature monitoring with Behmor?
 

ilcaffedio Said:

Exellent tip!  I knew about the P1, and P2 readings, but wasn't sure what they correlate to.  This helps a ton!

Posted December 30, 2013 link

P1 doesn't work on mine; I'll try P2 the next time I do a real roast.
I wonder if that's an old feature. My Behmor's almost 3 years old but the control panel and main circuit board are both new.
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